/*

* Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies). 

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:  Channel condition set object

*

*/

#ifndef SENSRVCHANNELCONDITIONSETIMPL_H

#define SENSRVCHANNELCONDITIONSETIMPL_H

#include <sensrvchannelconditionset.h>

// CLASS DECLARATION

/**

* CSensrvChannelConditionSetImpl is an implementation of interface 

* CSensrvChannelConditionSet.

*/

NONSHARABLE_CLASS(CSensrvChannelConditionSetImpl) : public CSensrvChannelConditionSet

    {

    friend class CSensrvChannelConditionSet;

    public:

        virtual ~CSensrvChannelConditionSetImpl();

    public:

        /**

        * Return condition set type.

        *

        * @since S60 5.0

        * @return TSensrvConditionSetType Type of the condition set

        */    

        virtual TSensrvConditionSetType ConditionSetType() const;

        /**

        * Add channel condition to the condition set. Ownership of the 

        * CSensrvChannelCondition is transferred to the CSensrvChannelConditionSet. 

        * The channel condition is deleted when this condition set is destroyed.

        *

        * @since S60 5.0

        * @param[in] aChannelCondition Channel condition to be added

        * @exception KErrArgument NULL condition or there is already a condition

        *            for the same index in this set and the new condition is not a

        *            complementary part of range condition for that existing condition.

        */  

        virtual void AddChannelConditionL

                ( CSensrvChannelCondition* aChannelCondition );

        /**

        * Get all channel conditions added to this set.

        *

        * @since S60 5.0

        * @return Channel condition pointers are returned in this list.

        */  

        virtual const RSensrvChannelConditionList& AllConditions() const;

        /**

        * Returns id of this condition set

        *

        * @since S60 5.0

        * @return TInt Condition set id

        */      

        inline TInt ConditionSetId() const { return iId; };

        /**

        * Sets id of this condition set

        *

        * @since S60 5.0

        * @param aId New condition set id

        */      

        inline void SetConditionSetId( TInt aId ) { iId = aId; };

        /**

        * Check if this set has just been added to listening.

        *

        * @since S60 5.0

        * @return ETrue if set has been just added.

        */ 

        inline TBool IsJustAdded() const { return iJustAdded; } ;

        /**

        * Clear iJustAdded flag

        *

        * @since S60 5.0

        */ 

        inline void ClearJustAdded() { iJustAdded = EFalse; } ;

        /**

        * Checks if condition set is complete, i.e. there are

        * no unpaired range conditions. 

        * Empty sets are not considered complete.

        *

        * @since S60 5.0

        * @return ETrue if set is complete.

        */

        virtual TBool IsComplete() const;

        /**

        * Serializes set data into single buffer that can be

        * transported from client to server.

        *

        * @since S60 5.0

        * @return New buffer containing serialized set

        */

        virtual HBufC8* SerializeLC() const;

        /**

        * Takes serialized condition set as input and makes this set

        * a clone of the original serialized set

        *

        * @since S60 5.0

        * @param[in] aSerializedSet Serialized set

        * @return Standard symbian error code

        */  

        virtual TInt Deserialize( const TDesC8& aSerializedSet );

        /**

        * Set met data.

        *

        * @since S60 5.0

        * @param[in] aMetData Data that caused set to be met.

        * @return Standard symbian error code

        */

        virtual TInt SetMetData( const TDesC8& aMetData );

        /**

        * Get pointer to met data.

        *

        * @since S60 5.0

        * @return Pointer to iMetData. Can be NULL.

        */

        inline HBufC8* MetData() const { return iMetData; };

    private:     

        CSensrvChannelConditionSetImpl(TSensrvConditionSetType aConditionSetType);

        void ConstructL();

    public:

        /**

        * Link item for queueing condition set pointers

        */

        TSglQueLink iLink;

    private:

        /**

        * Type of this set.

        */

        TSensrvConditionSetType iSetType;

        /**

        * List of conditions added to this set.

        * Conditions in the list are owned.

        */

        RSensrvChannelConditionList iConditionList;

        /**

        * Condition set id. Must be unique in the scope of client session.

        */

        TInt iId;

        /**

        * Flag to indicate that set has just been added and should be ignored

        * at next buffer fill handling.

        * Only used on server side, not serialized.

        */

        TBool iJustAdded;

        /**

        * Data that caused condition set to be met.

        * Only used on server side, not serialized.

        * Own.

        */

        HBufC8* iMetData;

    };

#endif //SENSRVCHANNELCONDITIONSETIMPL_H

// End of File